Katadyn BeFree AC Water Filter (0.5L) vs LifeStraw Peak Solo
Weight and specs compared for 2026 — and which one to choose.
New-for-2025 2-stage filter: 0.1 micron hollow fiber + removable activated carbon. 2L/min flow, 1000L capacity, improved taste.
Full details →Ultracompact water filter weighing just 1.7oz. Uses 0.2 micron membrane to remove 99.999999% bacteria and filters up to 2000 liters with 3L/min flow.
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Katadyn BeFree AC Water Filter (0.5L) vs LifeStraw Peak Solo: which should you buy?
If saving weight is your priority, the LifeStraw Peak Solo wins — at 48 g it is 24 g (33%) lighter than the Katadyn BeFree AC Water Filter (0.5L) (72 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest hygiene page, or browse the full gear weight database.